MUHAMMAD FAHAD RANA
Materials
- Dec 13, 2018
- 36
Happy Greetings!!!!
Construction Code: ASME Sec VIII Div-1 2019 Code
Referencing Code: ASME Sec IX 2019 Code
Manufactured item: Heat Exchanger
Joint Type: Groove 2mm + 1.5mm Fillet (Tube to Tube Sheet Welding)
Background: As Mock up as per QW-193 is not required by ASME Sec VIII Div-1 2019 Code and not client requirement , so qualified groove welding procedure specification (WPS) for base metal thickness qualification (1.5 mm to 200mm) by combining two PQR's for GTAW welding of tube (1.65mm thk)to Tube sheet(150mm thk).
Size of tube O.D 19.05 mm and thickness 1.65 mm.
Size of tube sheet O.D 1746 mm and thickness 140 mm.
A qualifed welder on 1/2" (21.34mm O.D) pipe. Can he use to weld tube to tube sheet joint? Please note that 2 mm groove on tube sheet as well.
Is he full filled the requirement of QW-403.16 of set in nomenclature as groove in Tube sheet and qualification taken as per Diameter of tube sheet? Please correct and give remedial action.
Construction Code: ASME Sec VIII Div-1 2019 Code
Referencing Code: ASME Sec IX 2019 Code
Manufactured item: Heat Exchanger
Joint Type: Groove 2mm + 1.5mm Fillet (Tube to Tube Sheet Welding)
Background: As Mock up as per QW-193 is not required by ASME Sec VIII Div-1 2019 Code and not client requirement , so qualified groove welding procedure specification (WPS) for base metal thickness qualification (1.5 mm to 200mm) by combining two PQR's for GTAW welding of tube (1.65mm thk)to Tube sheet(150mm thk).
Size of tube O.D 19.05 mm and thickness 1.65 mm.
Size of tube sheet O.D 1746 mm and thickness 140 mm.
A qualifed welder on 1/2" (21.34mm O.D) pipe. Can he use to weld tube to tube sheet joint? Please note that 2 mm groove on tube sheet as well.
Is he full filled the requirement of QW-403.16 of set in nomenclature as groove in Tube sheet and qualification taken as per Diameter of tube sheet? Please correct and give remedial action.
